Every time a beam of light will allow it to pass through a clear medium, the speed at which an intensity decreases with medium thickness is directly proportional to The sunshine beam’s depth. Such as, benzene exhibits ?max at 256 nm, While aniline reveals ?max at 280 nm. Consequently, the NH2 team functions as an auxochrome and triggers the shif

Which means that problems must be very carefully controlled if you are using retention periods for a method of identifying compounds.Chromatography is coined in the Greek word chroma- meaning colour and -graphein which means to write down. Initially recorded utilization of column chromatography could be traced back again to Russian scientist Mikhai

INTRAVENOUS: Drugs are injected directly in the blood stream by way of vein . Makes fast action A drug can be injected as • Bolus (single ,reasonably big dose of the drug injected speedily or little by little as a single unit into a vain E.Some peptide hormone analogues offered as nasal sprays are • antidiuretic hormone • gonadotrophin-releas